* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Supplement Facts

FOR MEN UP TO 200 LBS: - 8 caplets (4 caplets 30 minutes before breakfast and again 30 minutes before lunch)FOR MEN OVER 200 LBS: - 10 caplets (5 caplets 30 minutes before breakfast and again 30 minutes before lunch)

FOR WOMEN UP TO 125 LBS: - 4 caplets (2 caplets 30 minutes before breakfast and again 30 minutes before lunch)FOR WOMEN OVER 125 LBS: - 6 caplets (3 caplets 30 minutes before breakfast and again 30 minutes before lunch)NOTE: To maximize results, drink at least 64 ounces of water daily while using NO2 Black.HINT: NO2 Black is ideal to stack with CE2.

No Yeast, No Wheat, No Soy, No Sugar, No Sweeteners, No Artificial Colors, No Artificial Flavors, No Artificial Preservatives

Storage Instructions: Store at a controlled room temperature of 15-30°C/59°-86°F

Protect from light and moisture.

Warning: Consult your physician prior to using this product it you are pregnant, nursing, taking medication, under 18 years of age or have a medical condition. Discontinue use two weeks prior to surgery.KEEP OUT OF REACH OF CHILDREN.

Diabetics, women who are pregnant or nursing, individuals being treated for high blood pressure or serum glucose control or erectile dysfunction, individuals who are thiamin deficient, allergic to alpha-lipoic acid of other sulfur-containing compounds, or taking prescription drugs, should consult their physician before using this product. Use this product with caution if you have a history of cold sores. use of this product is not recommended in individuals allergic to corn products, gluten, or citrus fruit. Not intended for use by individuals under the age of 18 years.

Disclaimer:
This scientific independent research is provided by Aisle7 and is for informational use only. GNC provides this information as a service but does not endorse it. Likewise, Aisle7 does not recommend or endorse any specific products.

For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary "Star-Rating" system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:

Dose: 4 gram three times per dayIt has been speculated that AAKG may increase production of nitric oxide, a substance known to enhance blood flow. In one study, AAKG improved measures of strength and short-term power performance in weight lifters.(more)

Dose: 4 gram three times per dayAAKG (arginine alpha-ketoglutarate) is a compound made from the amino acid L-arginine and alpha-ketoglutarate (AKG) a substance formed in the body's energy-generating process. It has been speculated that AAKG may increase production in muscles of nitric oxide, a substance known to have blood-flow-enhancing effects. A double-blind study gave trained weight lifters either 4 grams of AAKG or a placebo three times a day during an eight-week weight-training regimen. AAKG had no effect on body composition but did improve measures of strength and short-term power performance.1

Nitric oxide is the popular name for AAKG (arginine alpha-ketoglutarate), a compound made from the amino acid L-arginine and alpha-ketoglutarate, a substance formed in the body's energy-generating process. AAKG is a popular supplement among bodybuilders and other athletes because of claims that it increases production of nitric oxide in muscles. Nitric oxide is known to have blood-flow-enhancing effects,1 which could in theory increase the delivery of oxygen and nutrients to exercising muscle. While L-arginine by itself is known to increase nitric oxide production, no research has been done to show that AAKG does the same. However, double-blind trials of AAKG suggest it improves some measures of strength and power resulting from weight training.2, 3

The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2016.

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I use the product on and off every 8 weeks. The pills must be taken on an empty stomach and tend to make you hungry after about 30 minutes. Timing breakfast can be the most difficult part. Lunch can be as well if you work out around that time and are using other products in combination. The best thing about it is your pumps will be so massive during your workout that you can actually end up struggling to get the full range of motion. Pumps last for hours on end and most people stare or ask if you're using steroids. Best product I have ever used.

I started taking this because of a recommendation from my coach. I usually lift weights after working all day so I'm more tired by that time. After starting with the NO2 Black I feel better throughout my workout. I'm not sure if it's an intended consequence or not, but I have lost a couple pounds after starting this as well. :)

The recommended serving size is four pills 30 min before breakfast and lunch. To have the bottle last me the entire month I only take three before breakfast and then another three before lunch. Even with the lower intake I have seen results. The pills definitely help me get more out of my lifts. I don't get as tired as quickly as I did before I started taking NO2 Black. I would recommend drinking about 64 fl oz of water with these pills to get the most out of them. The pills are large but I got used to them after a couple days.

I take NO2 before and after i work out and it gives me quick results. What i do not like about it is the price. It is often too expensive. I had to purchase it during a sale price. GNC would sell NO2 and other products if the prices were lower. Do not forget that the economy is bad and more people are unemployed.

It only takes about 15-20 mins to kick in once you take it, and once it does you'll be ready for the day/working out. I take this every day instead of drinking coffee or a engery drink and it does a much better job!

If you can get past swallowing the big pills, the product works great. I've used this product for the past 5 years and have had amazing results. My energy in the gym is never ending, recovery time is almost instant, i havent had any next day soreness. lifting heavy and using this product has helped me reach bigger gains, more reps, and more weight. Once again this pills are bigger than normal pils u would take. I recommend taking product before breakfast and lunch, and working out in the evening. I also stack this product with MRI product PRO NOS, the two of these combined are UNBEATABLE!!